[MINOR] Compressed tests

[Baunsgaard]

This PR contains tests primarily for CLA

[codecov]

Codecov Report

Attention: Patch coverage is 90.18987% with 62 lines in your changes missing coverage. Please review.

Project coverage is 72.27%. Comparing base (eb2ca62) to head (25ed7a4).
Report is 7 commits behind head on main.

Files with missing lines	Patch %	Lines
...time/compress/colgroup/dictionary/ADictionary.java	76.33%	30 Missing and 1 partial ⚠️
.../compress/colgroup/dictionary/DeltaDictionary.java	18.18%	9 Missing ⚠️
...ess/colgroup/dictionary/MatrixBlockDictionary.java	96.25%	3 Missing and 4 partials ⚠️
.../runtime/compress/colgroup/ADictBasedColGroup.java	50.00%	4 Missing and 1 partial ⚠️
.../sysds/runtime/compress/CompressedMatrixBlock.java	95.00%	1 Missing and 1 partial ⚠️
...sysds/runtime/compress/colgroup/ColGroupConst.java	0.00%	1 Missing and 1 partial ⚠️
...press/colgroup/dictionary/AIdentityDictionary.java	90.47%	1 Missing and 1 partial ⚠️
...ntime/compress/colgroup/dictionary/Dictionary.java	97.84%	1 Missing and 1 partial ⚠️
...e/sysds/runtime/compress/lib/CLALibDecompress.java	66.66%	0 Missing and 1 partial ⚠️
...apache/sysds/runtime/compress/lib/CLALibUtils.java	0.00%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #2183      +/-   ##
============================================
+ Coverage     71.88%   72.27%   +0.39%     
- Complexity    44701    44980     +279     
============================================
  Files          1449     1452       +3     
  Lines        169175   169307     +132     
  Branches      32979    33036      +57     
============================================
+ Hits         121617   122373     +756     
+ Misses        38231    37615     -616     
+ Partials       9327     9319       -8     

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